OT-2026-000075261
Publication integrity record
Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000075261) never changes.
Identity and time
| Publication number | OT-2026-000075261 · never reused |
|---|---|
| Internal UUID | 01a0ae93-f200-7be2-9ca4-6f666ad58742 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:26.476108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075261 |
| Status | PUBLIC |
Content hashes
| Canonical text | ef3e9c93e1f1be1f15d7c46039d4f78418d4e0d905296c2f302aed99723d4836 |
|---|---|
| Markdown | ca4c5f6c9bc2994733c557534814cdbf72ece24e621dae0c3405b6cd68e65db1 |
| Publication page | 4665097280c8d505ec708c0ffefe18b721ab6061f12bae200d8eae77b2300d05 |
| Manifest | 0b0dfbc4e124fbf70a2bd73e75ab2d87d770bde7527ad239b7f96c58adbc97eb |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | TLf82I8juzo9VOX5DVqCbps5392/axmbvYvx+THS36fuQF8BRV4CV+dL50NHwO5+VCDcvkKlG+kh1cAVsVEjCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
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Independent retrieval
| 2026-10-19T16:41:06.477331Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075261observed 4665097280c8d505ec708c0ffefe18b7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T16:41:06.429439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075261/manifest.jsonobserved 0b0dfbc4e124fbf70a2bd73e75ab2d87...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T16:41:06.361582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075261/publication.mdobserved ca4c5f6c9bc2994733c557534814cdbf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T16:41:06.276801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075261/publication.txtobserved ef3e9c93e1f1be1f15d7c46039d4f784...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T16:41:17.631122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075261observed 4665097280c8d505ec708c0ffefe18b7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T16:41:17.562364Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075261/manifest.jsonobserved 0b0dfbc4e124fbf70a2bd73e75ab2d87...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T16:41:17.491602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075261/publication.mdobserved ca4c5f6c9bc2994733c557534814cdbf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T16:41:17.331358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075261/publication.txtobserved ef3e9c93e1f1be1f15d7c46039d4f784...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|